Home / 6,174.60-9,261.90-3,985.80

Finding the Fourth Proportional to 6,174.60, 9,261.90 and 3,985.80

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Solution

The fourth proportional to 6,174.60, 9,261.90 and 3,985.80 is: 5,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.60 : 9,261.90 = 3,985.80 : x
  2. Step 2: Convert to fraction form
    6,174.60/9,261.90 = 3,985.80/x
  3. Step 3: Cross multiply
    6,174.60x = 9,261.90 × 3,985.80
  4. Step 4: Simplify right side
    6,174.60x = 36,916,081.02
  5. Step 5: Solve for x
    x = 36,916,081.02/6,174.60
  6. Step 6: Final answer
    x = 5,978.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.